- Methods of Electronic Structure Calculations I
- 23 July 2013
- book chapter
- Published by Taylor & Francis
- p. 118-147
- https://doi.org/10.1201/b15281-10
Abstract
If the effective potential in the KS equation is reduced to zero, eigenvalues ek of a solid approach the free electron values e k k m = 2 (5.1) The wave vector k in Equation 5.1 is unrestricted and can vary from −∞ to +∞.Keywords
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